more portable restructuring

1 files changed, 453 insertions, 0 deletions

diff --git a/MediaBrowser.Server.Startup.Common/Persistence/SqliteUserDataRepository.cs b/MediaBrowser.Server.Startup.Common/Persistence/SqliteUserDataRepository.cs
new file mode 100644
index 000000000..6bc9d8801
--- /dev/null
+++ b/MediaBrowser.Server.Startup.Common/Persistence/SqliteUserDataRepository.cs
@@ -0,0 +1,453 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Globalization;
+using System.IO;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Persistence;
+using MediaBrowser.Model.Logging;
+
+namespace MediaBrowser.Server.Startup.Common.Persistence
+{
+    public class SqliteUserDataRepository : BaseSqliteRepository, IUserDataRepository
+    {
+        private IDbConnection _connection;
+
+        public SqliteUserDataRepository(ILogManager logManager, IApplicationPaths appPaths, IDbConnector connector) : base(logManager, connector)
+        {
+            DbFilePath = Path.Combine(appPaths.DataPath, "userdata_v2.db");
+        }
+
+        protected override bool EnableConnectionPooling
+        {
+            get { return false; }
+        }
+
+        /// <summary>
+        /// Gets the name of the repository
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name
+        {
+            get
+            {
+                return "SQLite";
+            }
+        }
+
+        protected override async Task<IDbConnection> CreateConnection(bool isReadOnly = false)
+        {
+            var connection = await DbConnector.Connect(DbFilePath, false, false, 10000).ConfigureAwait(false);
+
+            connection.RunQueries(new[]
+            {
+                "pragma temp_store = memory"
+
+            }, Logger);
+
+            return connection;
+        }
+
+        /// <summary>
+        /// Opens the connection to the database
+        /// </summary>
+        /// <returns>Task.</returns>
+        public async Task Initialize(IDbConnection connection, SemaphoreSlim writeLock)
+        {
+            WriteLock.Dispose();
+            WriteLock = writeLock;
+            _connection = connection;
+
+            string[] queries = {
+
+                                "create table if not exists UserDataDb.userdata (key nvarchar, userId GUID, rating float null, played bit, playCount int, isFavorite bit, playbackPositionTicks bigint, lastPlayedDate datetime null)",
+
+                                "drop index if exists UserDataDb.idx_userdata",
+                                "drop index if exists UserDataDb.idx_userdata1",
+                                "drop index if exists UserDataDb.idx_userdata2",
+                                "drop index if exists UserDataDb.userdataindex1",
+
+                                "create unique index if not exists UserDataDb.userdataindex on userdata (key, userId)",
+                                "create index if not exists UserDataDb.userdataindex2 on userdata (key, userId, played)",
+                                "create index if not exists UserDataDb.userdataindex3 on userdata (key, userId, playbackPositionTicks)",
+                                "create index if not exists UserDataDb.userdataindex4 on userdata (key, userId, isFavorite)",
+
+                                //pragmas
+                                "pragma temp_store = memory",
+
+                                "pragma shrink_memory"
+                               };
+
+            _connection.RunQueries(queries, Logger);
+
+            _connection.AddColumn(Logger, "userdata", "AudioStreamIndex", "int");
+            _connection.AddColumn(Logger, "userdata", "SubtitleStreamIndex", "int");
+        }
+
+        /// <summary>
+        /// Saves the user data.
+        /// </summary>
+        /// <param name="userId">The user id.</param>
+        /// <param name="key">The key.</param>
+        /// <param name="userData">The user data.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        /// <exception cref="System.ArgumentNullException">userData
+        /// or
+        /// cancellationToken
+        /// or
+        /// userId
+        /// or
+        /// userDataId</exception>
+        public Task SaveUserData(Guid userId, string key, UserItemData userData, CancellationToken cancellationToken)
+        {
+            if (userData == null)
+            {
+                throw new ArgumentNullException("userData");
+            }
+            if (userId == Guid.Empty)
+            {
+                throw new ArgumentNullException("userId");
+            }
+            if (string.IsNullOrEmpty(key))
+            {
+                throw new ArgumentNullException("key");
+            }
+
+            return PersistUserData(userId, key, userData, cancellationToken);
+        }
+
+        public Task SaveAllUserData(Guid userId, IEnumerable<UserItemData> userData, CancellationToken cancellationToken)
+        {
+            if (userData == null)
+            {
+                throw new ArgumentNullException("userData");
+            }
+            if (userId == Guid.Empty)
+            {
+                throw new ArgumentNullException("userId");
+            }
+
+            return PersistAllUserData(userId, userData, cancellationToken);
+        }
+
+        /// <summary>
+        /// Persists the user data.
+        /// </summary>
+        /// <param name="userId">The user id.</param>
+        /// <param name="key">The key.</param>
+        /// <param name="userData">The user data.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        public async Task PersistUserData(Guid userId, string key, UserItemData userData, CancellationToken cancellationToken)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
+
+            IDbTransaction transaction = null;
+
+            try
+            {
+                transaction = _connection.BeginTransaction();
+
+                using (var cmd = _connection.CreateCommand())
+                {
+                    cmd.CommandText = "replace into userdata (key, userId, rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex) values (@key, @userId, @rating,@played,@playCount,@isFavorite,@playbackPositionTicks,@lastPlayedDate,@AudioStreamIndex,@SubtitleStreamIndex)";
+
+                    cmd.Parameters.Add(cmd, "@key", DbType.String).Value = key;
+                    cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
+                    cmd.Parameters.Add(cmd, "@rating", DbType.Double).Value = userData.Rating;
+                    cmd.Parameters.Add(cmd, "@played", DbType.Boolean).Value = userData.Played;
+                    cmd.Parameters.Add(cmd, "@playCount", DbType.Int32).Value = userData.PlayCount;
+                    cmd.Parameters.Add(cmd, "@isFavorite", DbType.Boolean).Value = userData.IsFavorite;
+                    cmd.Parameters.Add(cmd, "@playbackPositionTicks", DbType.Int64).Value = userData.PlaybackPositionTicks;
+                    cmd.Parameters.Add(cmd, "@lastPlayedDate", DbType.DateTime).Value = userData.LastPlayedDate;
+                    cmd.Parameters.Add(cmd, "@AudioStreamIndex", DbType.Int32).Value = userData.AudioStreamIndex;
+                    cmd.Parameters.Add(cmd, "@SubtitleStreamIndex", DbType.Int32).Value = userData.SubtitleStreamIndex;
+
+                    cmd.Transaction = transaction;
+
+                    cmd.ExecuteNonQuery();
+                }
+
+                transaction.Commit();
+            }
+            catch (OperationCanceledException)
+            {
+                if (transaction != null)
+                {
+                    transaction.Rollback();
+                }
+
+                throw;
+            }
+            catch (Exception e)
+            {
+                Logger.ErrorException("Failed to save user data:", e);
+
+                if (transaction != null)
+                {
+                    transaction.Rollback();
+                }
+
+                throw;
+            }
+            finally
+            {
+                if (transaction != null)
+                {
+                    transaction.Dispose();
+                }
+
+                WriteLock.Release();
+            }
+        }
+
+        /// <summary>
+        /// Persist all user data for the specified user
+        /// </summary>
+        /// <param name="userId"></param>
+        /// <param name="userData"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        private async Task PersistAllUserData(Guid userId, IEnumerable<UserItemData> userData, CancellationToken cancellationToken)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
+
+            IDbTransaction transaction = null;
+
+            try
+            {
+                transaction = _connection.BeginTransaction();
+
+                foreach (var userItemData in userData)
+                {
+                    using (var cmd = _connection.CreateCommand())
+                    {
+                        cmd.CommandText = "replace into userdata (key, userId, rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex) values (@key, @userId, @rating,@played,@playCount,@isFavorite,@playbackPositionTicks,@lastPlayedDate,@AudioStreamIndex,@SubtitleStreamIndex)";
+
+                        cmd.Parameters.Add(cmd, "@key", DbType.String).Value = userItemData.Key;
+                        cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
+                        cmd.Parameters.Add(cmd, "@rating", DbType.Double).Value = userItemData.Rating;
+                        cmd.Parameters.Add(cmd, "@played", DbType.Boolean).Value = userItemData.Played;
+                        cmd.Parameters.Add(cmd, "@playCount", DbType.Int32).Value = userItemData.PlayCount;
+                        cmd.Parameters.Add(cmd, "@isFavorite", DbType.Boolean).Value = userItemData.IsFavorite;
+                        cmd.Parameters.Add(cmd, "@playbackPositionTicks", DbType.Int64).Value = userItemData.PlaybackPositionTicks;
+                        cmd.Parameters.Add(cmd, "@lastPlayedDate", DbType.DateTime).Value = userItemData.LastPlayedDate;
+                        cmd.Parameters.Add(cmd, "@AudioStreamIndex", DbType.Int32).Value = userItemData.AudioStreamIndex;
+                        cmd.Parameters.Add(cmd, "@SubtitleStreamIndex", DbType.Int32).Value = userItemData.SubtitleStreamIndex;
+
+                        cmd.Transaction = transaction;
+
+                        cmd.ExecuteNonQuery();
+                    }
+
+                    cancellationToken.ThrowIfCancellationRequested();
+                }
+
+                transaction.Commit();
+            }
+            catch (OperationCanceledException)
+            {
+                if (transaction != null)
+                {
+                    transaction.Rollback();
+                }
+
+                throw;
+            }
+            catch (Exception e)
+            {
+                Logger.ErrorException("Failed to save user data:", e);
+
+                if (transaction != null)
+                {
+                    transaction.Rollback();
+                }
+
+                throw;
+            }
+            finally
+            {
+                if (transaction != null)
+                {
+                    transaction.Dispose();
+                }
+
+                WriteLock.Release();
+            }
+        }
+
+        /// <summary>
+        /// Gets the user data.
+        /// </summary>
+        /// <param name="userId">The user id.</param>
+        /// <param name="key">The key.</param>
+        /// <returns>Task{UserItemData}.</returns>
+        /// <exception cref="System.ArgumentNullException">
+        /// userId
+        /// or
+        /// key
+        /// </exception>
+        public UserItemData GetUserData(Guid userId, string key)
+        {
+            if (userId == Guid.Empty)
+            {
+                throw new ArgumentNullException("userId");
+            }
+            if (string.IsNullOrEmpty(key))
+            {
+                throw new ArgumentNullException("key");
+            }
+
+            using (var cmd = _connection.CreateCommand())
+            {
+                cmd.CommandText = "select key,userid,rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex from userdata where key = @key and userId=@userId";
+
+                cmd.Parameters.Add(cmd, "@key", DbType.String).Value = key;
+                cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
+
+                using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
+                {
+                    if (reader.Read())
+                    {
+                        return ReadRow(reader);
+                    }
+                }
+
+                return null;
+            }
+        }
+
+        public UserItemData GetUserData(Guid userId, List<string> keys)
+        {
+            if (userId == Guid.Empty)
+            {
+                throw new ArgumentNullException("userId");
+            }
+            if (keys == null)
+            {
+                throw new ArgumentNullException("keys");
+            }
+
+            using (var cmd = _connection.CreateCommand())
+            {
+                var index = 0;
+                var userdataKeys = new List<string>();
+                var builder = new StringBuilder();
+                foreach (var key in keys)
+                {
+                    var paramName = "@Key" + index;
+                    userdataKeys.Add("Key =" + paramName);
+                    cmd.Parameters.Add(cmd, paramName, DbType.String).Value = key;
+                    builder.Append(" WHEN Key=" + paramName + " THEN " + index);
+                    index++;
+                    break;
+                }
+
+                var keyText = string.Join(" OR ", userdataKeys.ToArray());
+
+                cmd.CommandText = "select key,userid,rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex from userdata where userId=@userId AND (" + keyText + ") ";
+
+                cmd.CommandText += " ORDER BY (Case " + builder + " Else " + keys.Count.ToString(CultureInfo.InvariantCulture) + " End )";
+                cmd.CommandText += " LIMIT 1";
+
+                cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
+
+                using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
+                {
+                    if (reader.Read())
+                    {
+                        return ReadRow(reader);
+                    }
+                }
+
+                return null;
+            }
+        }
+
+        /// <summary>
+        /// Return all user-data associated with the given user
+        /// </summary>
+        /// <param name="userId"></param>
+        /// <returns></returns>
+        public IEnumerable<UserItemData> GetAllUserData(Guid userId)
+        {
+            if (userId == Guid.Empty)
+            {
+                throw new ArgumentNullException("userId");
+            }
+
+            using (var cmd = _connection.CreateCommand())
+            {
+                cmd.CommandText = "select key,userid,rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex from userdata where userId=@userId";
+
+                cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
+
+                using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
+                {
+                    while (reader.Read())
+                    {
+                        yield return ReadRow(reader);
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// Read a row from the specified reader into the provided userData object
+        /// </summary>
+        /// <param name="reader"></param>
+        private UserItemData ReadRow(IDataReader reader)
+        {
+            var userData = new UserItemData();
+
+            userData.Key = reader.GetString(0);
+            userData.UserId = reader.GetGuid(1);
+
+            if (!reader.IsDBNull(2))
+            {
+                userData.Rating = reader.GetDouble(2);
+            }
+
+            userData.Played = reader.GetBoolean(3);
+            userData.PlayCount = reader.GetInt32(4);
+            userData.IsFavorite = reader.GetBoolean(5);
+            userData.PlaybackPositionTicks = reader.GetInt64(6);
+
+            if (!reader.IsDBNull(7))
+            {
+                userData.LastPlayedDate = reader.GetDateTime(7).ToUniversalTime();
+            }
+
+            if (!reader.IsDBNull(8))
+            {
+                userData.AudioStreamIndex = reader.GetInt32(8);
+            }
+
+            if (!reader.IsDBNull(9))
+            {
+                userData.SubtitleStreamIndex = reader.GetInt32(9);
+            }
+
+            return userData;
+        }
+
+        protected override void Dispose(bool dispose)
+        {
+            // handled by library database
+        }
+
+        protected override void CloseConnection()
+        {
+            // handled by library database
+        }
+    }
+}
\ No newline at end of file